Illuminating apparatus, display panel, view finder, video display apparatus, and video camera mounting the elements
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United States of America Patent
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Jan 31, 2006
Grant Date -
N/A
app pub date -
Aug 31, 1999
filing date -
Aug 31, 1998
priority date (Note) -
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status (Latency Note)
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Abstract
Light emitted from a white LED 15 is converted by a lens 11 into light having an excellent directionality. The light illuminates a display panel 863 from the direction of an angle θk. The display panel 863 is a polymer dispersed liquid crystal display panel in a normally white mode. The display panel 863 modulates incident light by scattering it, the scattered light is incident on a magnification lens 866, and light from the magnification lens reaches an eye 21 of the observer. Light which passes straight through a liquid crystal layer in the display panel 863 is absorbed by an optical absorbing film 12. The observer fixedly positions his/her eye 21 to an eyepiece cover 852 and observes the displayed image.
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